In Outlook, users commonly experience a server name you entered that cannot be found on the network error. Usually, this error occurs when a program cannot communicate with the server or email address.
Despite not changing any configuration, you encounter this error without any prior knowledge.
It is important not to avoid the 0X800408FC error since it prevents you from sending or receiving emails. Make sure to read the complete article for all the different methods to fix the error 0x800408fc
Table of Contents
What does Outlook error 0x800408fc
When does Outlook Error 0X800408FC Occur?
Outlook error 0x800408FC is similar to other common errors of Outlook. The error occurs when you are offline or the server name is incorrect. It appears that the server name you entered cannot be found on the network or it might be down temporarily.
Error 0x800408FC can also be caused by the following reasons:
- Issues in internet connection/Firewall issues from your end
- You might have entered the wrong server name
- Outlook email settings may be wrong
- Your port configuration may be incorrect.
How to Fix Outlook Error 0x800408fc?
Outlook error 0x800408FC is similar to other common errors of Outlook. The error occurs when you are offline or the server name is incorrect. It appears that the server name you entered cannot be found on the network or it might be down temporarily.
Error 0x800408FC can also be caused by the following reasons
- Issues in internet connection/Firewall issues from your end
- You might have entered the wrong server name
- Outlook email settings may be wrong
- Your port configuration may be incorrect
How to Fix Outlook Error 0x800408fc?
You can resolve error code 0x800408fc by following the methods mentioned below:
Method 1: Check your internet connection
Method 2: Fix mail server settings
Method 3: Disable TCP/IPV6 protocol
Method 4: Run Outlook in Safe mode
Method 5: Repair Outlook Inbox Folder
Method 1: Check your internet connection
If you are experiencing Outlook Error 0X800408FC, you should know that it is most commonly caused by connectivity issues. Therefore, check your internet connection to be sure you’re online.
Check the network icon on your taskbar to see if it is connected. If in doubt, hover your mouse on it. If it says Not connected, that’s the root of the Outlook error 0X800408FC.
Method 2: Fix your Mail Server settings
Try fixing the Mail Server settings to Fix the error 0x800408fc, by following the below mentioned steps:
- Open Outlook and click on the File menu.
- In the right pane, choose Account Settings and click on Server Settings from the dropdown menu.
- Make sure that there are correct usernames, ports, passwords, servers, and encryption methods.
- Now mark the checkbox beside the My outgoing (SMTP) server requires authentication.
- Click on the OK button to save your changes and restart your Outlook.
Method 3: Disable TCP/IPV6 protocol
Disable the TCP/IPV6 protocol by following the below mentioned steps:
- Press Windows + R to open Run
- Enter ncpa.cpl in the text field then click OK to open Network Connections


In the list of items, locate and uncheck ‘Internet Protocol Version 6 (TCP/IPv6)
Click OK and the problem should be resolved.
Method 4: Run Outlook in Safe mode
If the above method doesn’t work try to Run Outlook in Safe mode.
- Press the Windows key and click on the search box at the bottom.
- Enter the following command outlook.exe /safe and hit ENTER.

Method 5: Repair Outlook Inbox Folder
The details of your inbox in Outlook are stored in a .pst file. Sometimes pst file gets damaged and causes various errors and issues like the 0X800408FC error. To repair the .pst file on your PC, follow the steps below-
1. Go to C:\Program Files and locate your Microsoft Office folder
2. Open the office folder and click on scanpst.exe to run the repair tool
3. Search for the .pst location by typing .pst.
4. Once you get the location, paste it into the inbox repair tool text field and start the repair
5. Start Outlook and make sure you are on your main account
All the above mentioned methods should help you fix the Outlook error 0x800408FC. However, if you are still facing the issue and you are certain that it is because of damaged or corrupt PST file, we recommend you to make use of a professional Outlook PST Repair Software for quick and safe repair of pst file.
Remo PST Repair Tool is the safest software to repair PST. The software is built with a robust scan algorithm and it works with a read-only mechanism to ensure safe PST repair.
Conclusion
Outlook error 0x800408fc is a common mail server connectivity issue that prevents incoming and outgoing mails. You can easily fix it by following the methods given in the article. Let us know if you were able to fix your issue with the help of the article in the comment section below.